cosmopolitan/libc/stdio/unlocked/fputws_unlocked.S
2022-05-22 08:28:33 -07:00

35 lines
2.3 KiB
ArmAsm

/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi
Copyright 2020 Justine Alexandra Roberts Tunney
Permission to use, copy, modify, and/or distribute this software for
any purpose with or without fee is hereby granted, provided that the
above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
*/
#include "libc/macros.internal.h"
// Writes wide character string to stream.
//
// Writing stops at the NUL-terminator, which isn't included in output.
// This function blocks until the full string is written, unless an
// unrecoverable error happens.
//
// @param rdi is nul-terminated string that's non-null
// @param rsi is file object stream pointer
// @return strlen(rdi) on success or -1 w/ errno
// @see fputws_unlocked()
// @threadsafe
fputws: mov %rsi,%r11
ezlea fputws_unlocked,ax
jmp stdio_unlock
.endfn fputws,globl